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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

The monitoring part of the equipment detection point is the transmission assembly


Combining equipment for point inspection and regular repair, carry out simple diagnosis of main production equipment, equipment on-line monitoring and management of key equipment status maintenance, tendency to manage fault degradation curve drawing of mine crushing equipment status management, comprehensive diagnosis of rotating equipment faults, fault diagnosis of cone crushers, Predict the failure cycle of mining equipment, analyze failure modes, and grasp the probability of failure. Early detection of potential equipment failures, making maintenance decisions, and realizing predictive maintenance of equipment. In recent years, the failure rate has increased, and common failures and sudden failures have increased year by year with the growth of service life. The overhaul is difficult, the overhaul cost is high, and the equipment operation performance is declining year by year. Analysis of the current situation of the moving cone bevel gear cone crusher The type cone crusher is the main production equipment of Lingxiang Iron Mine. Failure mode: The horizontal shaft sleeve is glued, the transmission and the large and small bevel gears are worn and the teeth are broken, the gap between the large copper sleeve of the main shaft is increased, the spherical bush is strained, and the internal failure of the motor. Cone crusher fault diagnosis model analysis fault diagnosis program must be type cone crusher fault diagnosis program is established as shown in the figure, the establishment of the diagnosis part of the fault diagnosis steps, take the cone crusher as an example for diagnosis. The equipment detection point is shown in the figure. The monitoring part is the transmission assembly, and the measurement parameter is the vibration speed. Equipment online monitoring, diagnosis and analysis year and month. The results of the analysis of the cone crusher online monitoring data are listed in the table. The equipment failure fluctuation situation and law, the four monitored data all fluctuate, and the water pressure fluctuation range is large, indicating that the equipment failure is not Independent existence is the interconnection of the internal structure of the host. The results of the frequency spectrum analysis of the vibration velocity of the measuring points of the three equipment No. The equipment No. three side intestines are shown in the figure as the state of the crusher. The internal failure of the host is a complicated factor.

Therefore, the number of measuring points has been intensively monitored, and the frequency spectrum has been used for precise testing and analysis.

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